target/hexagon: Make HVX vector args. restrict *

Adds restrict qualifier to HVX pointer arguments. This will allow the
compiler to produce better optimized code, as input vectors are now
assumed not to alias, and no runtime aliasing checks will be required.

Signed-off-by: Anton Johansson <anjo@rev.ng>
Reviewed-by: Brian Cain <brian.cain@oss.qualcomm.com>
Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>

target/hexagon/mmvec/macros.h

@@ -23,26 +23,26 @@
 #include "mmvec/system_ext_mmvec.h"
 
 #ifndef QEMU_GENERATE
-#define VdV      (*(MMVector *)(VdV_void))
-#define VsV      (*(MMVector *)(VsV_void))
-#define VuV      (*(MMVector *)(VuV_void))
-#define VvV      (*(MMVector *)(VvV_void))
-#define VwV      (*(MMVector *)(VwV_void))
-#define VxV      (*(MMVector *)(VxV_void))
-#define VyV      (*(MMVector *)(VyV_void))
+#define VdV      (*(MMVector *restrict)(VdV_void))
+#define VsV      (*(MMVector *restrict)(VsV_void))
+#define VuV      (*(MMVector *restrict)(VuV_void))
+#define VvV      (*(MMVector *restrict)(VvV_void))
+#define VwV      (*(MMVector *restrict)(VwV_void))
+#define VxV      (*(MMVector *restrict)(VxV_void))
+#define VyV      (*(MMVector *restrict)(VyV_void))
 
-#define VddV     (*(MMVectorPair *)(VddV_void))
-#define VuuV     (*(MMVectorPair *)(VuuV_void))
-#define VvvV     (*(MMVectorPair *)(VvvV_void))
-#define VxxV     (*(MMVectorPair *)(VxxV_void))
+#define VddV     (*(MMVectorPair *restrict)(VddV_void))
+#define VuuV     (*(MMVectorPair *restrict)(VuuV_void))
+#define VvvV     (*(MMVectorPair *restrict)(VvvV_void))
+#define VxxV     (*(MMVectorPair *restrict)(VxxV_void))
 
-#define QeV      (*(MMQReg *)(QeV_void))
-#define QdV      (*(MMQReg *)(QdV_void))
-#define QsV      (*(MMQReg *)(QsV_void))
-#define QtV      (*(MMQReg *)(QtV_void))
-#define QuV      (*(MMQReg *)(QuV_void))
-#define QvV      (*(MMQReg *)(QvV_void))
-#define QxV      (*(MMQReg *)(QxV_void))
+#define QeV      (*(MMQReg *restrict)(QeV_void))
+#define QdV      (*(MMQReg *restrict)(QdV_void))
+#define QsV      (*(MMQReg *restrict)(QsV_void))
+#define QtV      (*(MMQReg *restrict)(QtV_void))
+#define QuV      (*(MMQReg *restrict)(QuV_void))
+#define QvV      (*(MMQReg *restrict)(QvV_void))
+#define QxV      (*(MMQReg *restrict)(QxV_void))
 #endif
 
 #define LOG_VTCM_BYTE(VA, MASK, VAL, IDX) \